A survey of peculiar and metallic-lined A stars for the actinides

Details A survey of peculiar and metallic-lined A stars for the actinides A survey of peculiar and metallic-lined A stars for the actinides

May 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...206..196c&link_type=abstract

Astrophysical Journal, vol. 206, May 15, 1976, pt. 1, p. 196-200.

Mathematics

Probability

3

A Stars, Actinide Series, Metallic Stars, Stellar Spectra, Abundance, Astronomical Catalogs, Line Spectra, Thorium Isotopes, Uranium Isotopes

Scientific paper

In a high-dispersion survey using modern wavelength lists, no convincing evidence has been found for any transuranic actinide in 51 Ap, Am, and 'normal' stars. It is found that stellar wavelengths do occasionally coincide with those of actinide spectra, and that occasionally these coincidences are improbable; that is, the probability that they would arise by chance is in the range 0.005 to 0.05. It is nevertheless concluded that most of these coincidences have arisen by chance in this rather extensive search. Thorium and uranium, which are believed to be present in the rare-earth maximum spectrum of HR 465, are specifically discussed.

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